Homemade Banana Pudding Pie

Ingredients

• 2 cups vanilla wafer crumbs
• 3 bananas, sliced into 1/4 inch slices
• 1 1/2 cups white sugar
• 1/4 cup all-purpose flour
• 2 cups milk
• 3 egg yolks
• 2 teaspoons butter
• 2 teaspoons vanilla extract
• 3 egg whites
• 1/4 cup white sugar